Dear Hans, Thank you for the advice. I did the followings: 1. Uninstalled TeX, ConTeXt updates 2. Re-install TeX, ConTeXt updates, XeTeX 3. Create cont-en.fmt for pdf and XeTex ConTeXt, XeTeX-ConTeXt, XeTeX, XeLaTeX worked fine but Pdflatex couldn't locate font files. 4. Create pdftex.map using "updmap --edit" and remove pdftex.map in / fonts/map/pdftex/context/ as you said. No changes, pdflatex still didn't work. 5. Uninstall ConTeXt update Then everything is fine including pdflatex. It located *.pfb files and truetype fonts well. According to this test, It is the problem to update ConTeXt. Did I do wrong during this process? Thank you. Regards, Dalyoung *There are two cont-en.fmt files, one is in /texmf.lcoal/web2c/ and the other is in /texmf.local/web2c/pdfetex/. I have to fine out which one is not needed.